CHICAGO-LATROBE Jobber Length Drill Bit: #21, 135° Split Point, TiCN-Coated HSS
The CHICAGO-LATROBE Jobber Length Drill Bit #21 is a NAS-spec high-speed steel drill bit for aerospace applications, featuring a TiCN-coated HSS construction with a 135° split point and a 0.1590-inch diameter. As an…
SKU 3G-OTH-190092
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #21 is a NAS-spec high-speed steel drill bit for aerospace applications, featuring a TiCN-coated HSS construction with a 135° split point and a 0.1590-inch diameter. As an NAS 907 Type B tool (MPN 43691), it meets stringent aerospace standards for precision drilling.
Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit #21 used for?
This drill bit is designed for aerospace and precision manufacturing applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking and thrust, while the TiCN coating extends tool life in high-strength alloys. It is suitable for drilling holes in materials such as titanium, stainless steel, and nickel-based superalloys.
What are the specifications of the CHICAGO-LATROBE 43691 drill bit?
The CHICAGO-LATROBE 43691 is a #21 jobber length drill bit with a 0.1590-inch diameter. It features a 135° split point and TiCN-coated high-speed steel construction, meeting NAS 907 Type B standards. This combination provides enhanced wear resistance and precise hole positioning in demanding aerospace materials.
Where to buy CHICAGO-LATROBE drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE drill bits worldwide, including the NAS 907 Type B model 43691. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact our team for pricing and lead time on this aerospace-grade tooling.
How to select the right CHICAGO-LATROBE drill bit for aerospace applications?
Select based on material hardness and hole tolerance requirements. For high-strength alloys, choose TiCN-coated bits like the 43691 with a 135° split point to reduce thrust and improve chip evacuation. Verify NAS 907 Type B compliance for aerospace specs. 3G Electric can help match the correct CHICAGO-LATROBE bit to your application.
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3G Electric supplies CHICAGO-LATROBE nas-spec high-speed steel jobber-length drill bits for aerospace. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
